Air cleaning
Air cleaners can help. You can get types that filter the air in a single room or models that connect to the home's heating system to handle the entire house. Did you know that every cubic foot of air in the average home is loaded with about 3 million dust particles? Though most of these particles are so small that they're not visible, they can be a health hazard, particularly for people who suffer from allergies and bronchial problems. And people like me with asma.